Home / 55,668.67-76,820.97-31,470.56

Finding the Fourth Proportional to 55,668.67, 76,820.97 and 31,470.56

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Solution

The fourth proportional to 55,668.67, 76,820.97 and 31,470.56 is: 43,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.67 : 76,820.97 = 31,470.56 : x
  2. Step 2: Convert to fraction form
    55,668.67/76,820.97 = 31,470.56/x
  3. Step 3: Cross multiply
    55,668.67x = 76,820.97 × 31,470.56
  4. Step 4: Simplify right side
    55,668.67x = 2,417,598,967.63
  5. Step 5: Solve for x
    x = 2,417,598,967.63/55,668.67
  6. Step 6: Final answer
    x = 43,428.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.